.photo {
    -fx-background-color: transparent;
}

.photo #mThumbs {
    -fx-background-color: rgba(0, 0, 0, 0.9);
}

.photo #mImageContainer {
    -fx-background-color: rgba(0, 0, 0, 0.85);
}

.photo #mImageContainer .viewport {
    -fx-background-color: transparent;
}

.photo #mClose {
    -fx-background-color: transparent;
}

.photo #mClose:hover {
    -fx-background-color: yellowgreen;
}